Model comparison
Nemotron 3 Nano Omni 30B A3B vs o3-pro
Head-to-head evidence from 2 shared benchmark results across 1 category. Overall scores shown here use BenchLM's provisional ranking lane.
Evidence parity. Nemotron 3 Nano Omni 30B A3B and o3-pro share 2 comparable benchmark results. 0 of 8 categories are comparable. 26 results are unique to Nemotron 3 Nano Omni 30B A3B; 0 to o3-pro.
Updated July 14, 2026- Shared results
- 2
- Nemotron 3 Nano Omni 30B A3B only
- 26
- o3-pro only
- 0
- Comparable categories
- 0 / 8
Benchmark data for Nemotron 3 Nano Omni 30B A3B and o3-pro is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 1 evidence category; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
o3-pro is priced at $20.00 input / $80.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Nemotron 3 Nano Omni 30B A3B. Nemotron 3 Nano Omni 30B A3B has the larger context window at 256K, compared with 200K for o3-pro.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Nemotron 3 Nano Omni 30B A3B | Δ | o3-pro |
|---|---|---|---|
| Coding | Nemotron 3 Nano Omni 30B A3B54.8 | MarginNo overlap | o3-proNot measured |
| Knowledge | Nemotron 3 Nano Omni 30B A3B76.4 | MarginNo overlap | o3-proNot measured |
| Multimodal | Nemotron 3 Nano Omni 30B A3B76.3 | MarginNo overlap | o3-proNot measured |
| Inst. Following | Nemotron 3 Nano Omni 30B A3B74.2 | MarginNo overlap | o3-proNot measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Nemotron 3 Nano Omni 30B A3B | o3-pro | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Nemotron 3 Nano Omni 30B A3B$0 input / $0 output | o3-pro$20 input / $80 output | Nemotron 3 Nano Omni 30B A3B has the lower combined listed price. |
| Generation speedtokens per second | Nemotron 3 Nano Omni 30B A3BNot available | o3-pro27 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Nemotron 3 Nano Omni 30B A3BNot available | o3-pro84.93 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Nemotron 3 Nano Omni 30B A3B256K | o3-pro200K | Nemotron 3 Nano Omni 30B A3B lists the larger context window. |
Benchmark Deep Dive
Agentic2 benchmarks
Coding4 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Nemotron 3 Nano Omni 30B A3B | o3-pro | Result |
|---|---|---|---|
| MMLU-ProSource | 77.3% | — | Not comparable |
| GPQASource | 72.2% | — | Not comparable |
| GPQA-DSource | 72.2% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 14.9% | 32.5% | o3-pro leads |
| AA-GPQA DiamondSource | 46.9% | 84.5% | o3-pro leads |
| AA-HLESource | 5.3% | — | Not comparable |
| AA-Omniscience IndexSource | -56.0% | — | Not comparable |
| AA-Omniscience AccuracySource | 14.8% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 83.1% | — | Not comparable |
Math1 benchmarks
| Benchmark | Nemotron 3 Nano Omni 30B A3B | o3-pro | Result |
|---|---|---|---|
| AIME 2025Source | 82.1% | — | Not comparable |
Multimodal8 benchmarks
| Benchmark | Nemotron 3 Nano Omni 30B A3B | o3-pro | Result |
|---|---|---|---|
| MMMUSource | 70.8% | — | Not comparable |
| MMLongBench-DocSource | 57.5% | — | Not comparable |
| CharXivSource | 76.3% | — | Not comparable |
| ScreenSpot ProSource | 57.8% | — | Not comparable |
| Video-MME (w/o subtitle)Source | 72.2% | — | Not comparable |
| AI2D_TESTSource | 88.5% | — | Not comparable |
| RefCOCO (avg)Source | 90.5% | — | Not comparable |
| AA-MMMU-ProSource | 53.2% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Nemotron 3 Nano Omni 30B A3B and o3-pro on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Nemotron 3 Nano Omni 30B A3B and o3-pro today?
Nemotron 3 Nano Omni 30B A3B: $0.00 input / $0.00 output per 1M tokens o3-pro: $20.00 input / $80.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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